Some background on this comic:

Transcript (commentary):

In this cartoon, I tried to tap into that universal fear I think we all have of being blatantly unprepared for some important, purposeful gathering like those dreams of going to school or work in just your underwear. But to forget your duck, of course, means you're really screwed.

Transcript (sketch):

Suddenly, professor Leibowitz realized he had come to the seminar without his duck.